// Copyright 2021 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------
// Modification history:
// feature: Code style modification
// ------------------------------------------------------------------

#ifndef SRC_CPP_SECURITY_ARTIFACT_PROVIDERS_PKCS11PROVIDER_HPP_
#define SRC_CPP_SECURITY_ARTIFACT_PROVIDERS_PKCS11PROVIDER_HPP_

#include <edds/rtps/security/exceptions/SecurityException.h>
#include <openssl/engine.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <string>

namespace evbs {
namespace ertps {
namespace rtps {
namespace security {
namespace detail {

class Pkcs11Provider {
 public:
    EVP_PKEY* load_private_key(X509* certificate, const std::string& file, const std::string& password,
                               SecurityException& exception);

    Pkcs11Provider();

    ~Pkcs11Provider();

 private:
#if 0
    EVP_PKEY* load_private_key_impl(X509* certificate, const std::string& file,
        const std::string& password, SecurityException& exception);
#endif

    SecurityException initialization_exception_;
    bool has_initialization_error_ = false;
    ENGINE* pkcs11_ = nullptr;
    UI_METHOD* ui_method_ = nullptr;
};

}  // namespace detail
}  // namespace security
}  // namespace rtps
}  // namespace ertps
}  // namespace evbs

#endif  // SRC_CPP_SECURITY_ARTIFACT_PROVIDERS_PKCS11PROVIDER_HPP_
